lkml.org 
[lkml]   [2011]   [Nov]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC PATCH 4/4] lockdep: fix race condition in __lock_set_class()
From
Date
On Fri, 2011-11-04 at 17:26 +0800, Yong Zhang wrote:
> When someone call lock_set_class() with valid key, nothing
> protect the initializing of 'lockdep_map'; thus could lead
> to flase positive warning from lockdep (such as "key not in
> .data!"). This patch cure that potential issue.

How? that warning is triggered of the lock_class_key * passed into
lockdep_init_map and is unrelated to the actual content of the
lockdep_map.




\
 
 \ /
  Last update: 2011-11-07 13:35    [W:0.129 / U:0.360 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site